diff --git a/tools/gerbfix5.sed b/tools/gerbfix5.sed
new file mode 100644
index 0000000..27f9811
--- /dev/null
+++ b/tools/gerbfix5.sed
@@ -0,0 +1 @@
+s/ %TA/ TA/g
diff --git a/tools/gerbfix5.sh b/tools/gerbfix5.sh
new file mode 100755
index 0000000..65cd3ec
--- /dev/null
+++ b/tools/gerbfix5.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+# fix for stray "%" in gerbers
+# G04 Created by KiCad (PCBNEW 5.0.0-rc2+dfsg1-2) date Wed Jun  6 21:24:22 2018*
+
+for file in plot/*.g[btm]?
+do
+  sed -i -f tools/gerbfix5.sed $file
+done
diff --git a/tools/kichange.sh b/tools/kichange.sh
new file mode 100755
index 0000000..9c2b100
--- /dev/null
+++ b/tools/kichange.sh
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+#Bsed -fi analog.sch
+#blinkey.sch
+#flash.sch
+#gpdi.sch
+#Bgpio.sch
+#power.sch  ram.sch  sdcard.sch  ulx3s.sch  usb.sch  wifi.sch
+
+for file in *.sch
+do
+  sed -i -f schemchange.sed $file
+done
diff --git a/tools/schemchange.sed b/tools/schemchange.sed
new file mode 100644
index 0000000..205f842
--- /dev/null
+++ b/tools/schemchange.sed
@@ -0,0 +1,3 @@
+s/"MFG_PN"/"MPN"/g
+s/"Distributor1_PN"/"Mouser"/g
+s/"Distributor1_URL"/"Mouser_URL"/g